Welcome to this practice course on manipulating time series data using xts & zoo! This course is designed to review the time series tools available in R. As with most components of data analysis, much of the work of time series analysis involves data cleaning and manipulation. This course builds directly on the key concepts covered in DataCamp's introductory course on xts & zoo.

Before moving forward, lets go over some of the fundamentals of time series data.

Which of the following sets of information would be appropriate for time series data manipulation?